Mark each statement true or false. justify your answer.
(a)- if a and b are 2 times 2 with columns a_1, a_2, and b_1, b_2, respectively, then ab = [a_1 b_1 a_2 b_2].
(b)- each column of ab is a linear combination of the columns of b using weights from the corresponding column of a.
(c)- ab + ac = a (b + c)
(d)- a^t + b^t = (a + b)^t
(e)- the transpose of a product of matrices equals the product of their transposes in the same order.

7. 153.86 ft

8. 12.56 ft

9. 78.5 m

10. 379.94 in

11. 132.665 m

12. 12.56 yd

13. 226.865 ft

14. 113.04 ft

15. 63.585 ft

16. 254.34 m

17. 50.24 cm

step-by-step explanation:

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circumference divided by 3.141592654 then timesthe radius twice

step-by-step explanation:

circumference divided by 3.141592654 then timesthe radius twice

765238725478629038640962136509762139056074

step-by-step explanation:

64087235609746097215074621039754021037